CN208860493U - Simple type thermocouple - Google Patents
Simple type thermocouple Download PDFInfo
- Publication number
- CN208860493U CN208860493U CN201821765056.6U CN201821765056U CN208860493U CN 208860493 U CN208860493 U CN 208860493U CN 201821765056 U CN201821765056 U CN 201821765056U CN 208860493 U CN208860493 U CN 208860493U
- Authority
- CN
- China
- Prior art keywords
- pipe
- seal
- thermocouple
- seal pipe
- protection pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model embodiment discloses a kind of simple type thermocouple, comprising: protection pipe, thermocouple wire, seal pipe, copper sheathing, compensating wire, magnesia powder and sealant.Protection pipe front end is equipped with opening, and opening is connected to and is tightly connected with seal pipe, the end seal of protection pipe, and the end of protection pipe is for protruding into interiors of products.Step is equipped in seal pipe, copper sheathing is located in protection pipe, and copper sheathing one end is supported with step, and copper sheathing outer wall is supported with sealing inside pipe wall.The welding of thermocouple wire end, is arranged in protection pipe, front end is arranged in parallel and protrudes into seal pipe.The end of compensating wire is electrically connected with thermocouple wire respectively, and the front end of compensating wire is used for external-connection displayer.Magnesia powder is filled in protection pipe and seal pipe.The front end of seal pipe is arranged in sealant, makes the forward end seal of seal pipe.To realize that compensating wire can arbitrarily be swung in use process, not will cause and fallen off and bend, to increase the service life of thermocouple.
Description
Technical field
The utility model embodiment is related to Electronic Components Manufacturing field more particularly to a kind of simple type thermocouple.
Background technique
Thermocouple is common temperature element in temperature measuring instrument, it can directly measure temperature, simple with structure,
It is easily manufactured, measurement range is wide, precision is high and output signal be convenient for teletransmission many advantages, such as, application is extremely wide.
The inventors of the present application found that in the prior art, the compensating wire of thermocouple in use, since angle is put
It is visibly moved that compensating wire is easily caused to fall off, bend, cause the service life of thermocouple to reduce.
Utility model content
The purpose of this utility model is to provide a kind of simple type thermocouple, realize that compensating wire can appoint in use process
Meaning is swung, and not will cause and is fallen off and bend, to increase the service life of thermocouple.
The utility model embodiment provides a kind of simple type thermocouple, for measuring the temperature of interiors of products under vacuum condition
Degree, comprising: protection pipe, two thermocouple wires, seal pipe, copper sheathing, two compensating wires, magnesia powder and sealant；
The section of the protection pipe is rounded, and the front end of the protection pipe, which is equipped with, to be open, end seal, the protection pipe
End is for protruding into interiors of products；
The section of the seal pipe is rounded, the open communication of the end of the seal pipe and the protection pipe and the company of sealing
It connects, the section of the front end of the seal pipe is hexagonal；
Step is equipped in the front end of the seal pipe；
The section of the copper sheathing is hexagonal, and the copper sheathing is located at the front end of the protection pipe, and the end of the copper sheathing
It is supported with the step, the copper sheathing outer wall is supported with the sealing inside pipe wall；
Two thermocouple wires are arranged in the protection pipe, and the end of two thermocouple wires is welded, and described two
The front end of root thermocouple wire is arranged in parallel, and protrudes into the seal pipe；
The end of two compensating wires is each passed through the copper sheathing and protrudes into the seal pipe, respectively with described two
The front end of thermocouple wire is electrically connected, and the front end of two compensating wires is located at the outside of the seal pipe, for external aobvious
Show device；
The magnesia powder is filled in the protection pipe and the seal pipe；
The front end of the seal pipe is arranged in the sealant, makes the forward end seal of the seal pipe；
Protection pipe is protruded into interiors of products, the temperature of interiors of products is accurately measured by two thermocouple wires, is led to
Crossing copper sheathing and magnesia powder fixes two compensating wires, realizes that compensating wire can arbitrarily be swung in use process, and will not
It causes to fall off and bend, to increase the service life of thermocouple.
In a kind of feasible scheme, the seal pipe further include: the first connector；
First connector is connected to and is tightly connected with the end of the seal pipe, first connector and the guarantor
The forward end seal of pillar connects；
The section of first connector is rounded, and the diameter of first connector is less than the diameter of the seal pipe,
And it is greater than the diameter of the protection pipe；
The first connector, which is arranged, can make the end of seal pipe and the front end of protection pipe be easier to be fully sealed, to guarantee
The quality of thermocouple.
In a kind of feasible scheme, connect between first connector and the protection pipe for silver soldering；
It is equably spread filling gap using the purpose that silver soldering connects, guarantees between the first connector and protection pipe
Excellent sealing performance.
In a kind of feasible scheme, the outer diameter of the protection pipe is 2mm；
It when the outer diameter of protection pipe is 2mm, can not only guarantee the accuracy of test, but also thermocouple break can be prevented.
In a kind of feasible scheme, two thermocouple wires can be nickel chromium triangle silicon-tweezer silicon magnesium thermocouple wire, nickel simultaneously
One of chromium-tweezer silicon thermocouple wire, nickel chromium triangle-copper tweezer thermocouple wire, iron/copper tweezer thermocouple wire or copper-copper tweezer thermocouple wire；
The measurement sensitivity of the thermocouple of two thermocouple wires composition of unlike material is different, and application is also different, tool
Body situation can be selected according to user demand.
In a kind of feasible scheme, the protection pipe is SUS316 stainless steel material；
The toughness of SUS316 stainless steel material, welding technological properties are good, and make it have preferable resist containing molybdenum element
Corrosive nature.
In a kind of feasible scheme, the length of first connector is 5mm；
When first connector length is 5mm, the front end of the end and protection pipe that can make seal pipe is easier to be fully sealed.
In a kind of feasible scheme, the end of the protection pipe is in tip-like；
It is designed to that the purpose of tip-like is that thermocouple wire is made to more easily reach temperature identical with product, to reduce test
Error.
In a kind of feasible scheme, the simple type thermocouple further include: the second connector and heat-shrink tube；
The ellipsoidal cross section of second connector, the end of second connector and the front end of the seal pipe are solid
Fixed connection, the front end of second connector and the heat-shrink tube are coaxially connected, and two compensating wires pass through the sealing
Pipe and the heat-shrink tube are used for external-connection displayer；
For second connector for protecting compensating wire, heat-shrink tube can enable compensating wire to wrap up fixation in bifurcation,
To extend the service life of compensating wire.
In a kind of feasible scheme, the copper sheathing is equipped with the first ripple glaze；
The seal pipe is equipped with the second ripple glaze, and second ripple glaze and first ripple glaze are intermeshed, make
The copper sheathing is fixedly connected with the seal pipe；
The purpose that first ripple glaze and the second ripple glaze are set be to make copper sheathing with seal pipe is closer is fixedly connected, make
Magnesia powder filling is more closely knit, to further fasten compensating wire, realizes that compensating wire can arbitrarily be swung in use process,
It not will cause and fall off and bend, to increase the service life of thermocouple.
Based on above scheme it is found that simple type thermocouple provided by the utility model, comprising: protection pipe, two thermocouples
Silk, seal pipe, copper sheathing, two compensating wires, magnesia powder and sealant.Protection pipe is protruded into interiors of products, passes through two heat
Thermocouple wire to accurately measure interiors of products temperature, fix two compensating wires by copper sheathing and magnesia powder.Specifically
For, the section of protection pipe is rounded, and the front end of protection pipe is equipped with opening, and the end of the end seal of protection pipe, protection pipe is used
In protruding into interiors of products.The section of seal pipe is rounded, the end of seal pipe and the open communication of protection pipe and sealed connection, close
The section of the front end of tube sealing is hexagonal.Step is equipped in the front end of seal pipe.The section of copper sheathing is hexagonal, and copper sheathing, which is located at, to be protected
The front end of pillar, and the end of copper sheathing is supported with step, copper sheathing outer wall is supported with sealing inside pipe wall.Two thermocouple wire settings exist
In protection pipe, the end welding of two thermocouple wires, the front end of two thermocouple wires is arranged in parallel, and protrudes into seal pipe
In.The end of two compensating wires is each passed through copper sheathing and protrudes into seal pipe, electrically connects with the front end of two thermocouple wires respectively
It connects, the front end of two compensating wires is located at the outside of seal pipe, is used for external-connection displayer.Magnesia powder is filled in protection pipe and close
In tube sealing.The front end of seal pipe is arranged in sealant, makes the forward end seal of seal pipe, to realize compensating wire in use process
It can arbitrarily swing, and not will cause and fall off and bend, to increase the service life of thermocouple.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the simple type thermocouple in the utility model embodiment one；
Fig. 2 is the diagrammatic cross-section at the A in Fig. 1；
Fig. 3 is the schematic cross-section of seal pipe and copper sheathing positional relationship in the utility model embodiment one；
Fig. 4 is the schematic cross-section of seal pipe and copper sheathing positional relationship in the utility model embodiment two；
It is numbered in figure:
1, protection pipe；11, the front end of protection pipe；12, the end of protection pipe；2, seal pipe；21, step；22, the first connection
Part；23, the front end of seal pipe；24, the end of seal pipe；3, copper sheathing；4, compensating wire；5, magnesia powder；6, the second connector；
61, the front end of the second connector；62, the end of the second connector；7, heat-shrink tube.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
"front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " axial direction ", " radial direction ", " circumferential direction " etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model
It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, be also possible to integral；
It can be mechanical connection, be also possible to be electrically connected, be also possible to communication connection；It can be and be directly connected to, centre can also be passed through
Medium is indirectly connected with, and can be the connection inside two elements or the interaction relationship of two elements, unless otherwise clear
Restriction.For the ordinary skill in the art, above-mentioned term can be understood in the utility model as the case may be
In concrete meaning.
The technical solution of the utility model is described in detail with specifically embodiment below.These are specific below
Embodiment can be combined with each other, and the same or similar concept or process may be repeated no more in some embodiments.
Fig. 1 is the structural schematic diagram of the simple type thermocouple in the utility model embodiment one, and Fig. 2 is at the A in Fig. 1
Diagrammatic cross-section, Fig. 3 are the schematic cross-section of seal pipe and copper sheathing positional relationship in the utility model embodiment one.Extremely such as Fig. 1
Shown in Fig. 3, simple type thermocouple in the present embodiment, for measuring the temperature of interiors of products, simple type heat under vacuum condition
Galvanic couple includes: 1, two thermocouple wire (not shown) of protection pipe, seal pipe 2, copper sheathing 3, two compensating wires 4, magnesia powders 5
With sealant (not shown).
Wherein, the section of protection pipe 1 is rounded, and the front end 11 of protection pipe is equipped with opening, and the end 12 of protection pipe seals, protects
The end 12 of pillar is for protruding into interiors of products.Specifically, protection pipe 1 can be steel material, have excellent heating conduction
And high temperature resistance.
Wherein, the section of seal pipe 2 is rounded, the end 24 of seal pipe and the open communication of protection pipe 1 and sealed connection,
The section of the front end 23 of seal pipe is hexagonal.Specifically, seal pipe 2 can be steel material, with excellent heating conduction and
Good flexibility has the characteristics that high temperature resistant and toughness are high for example, seal pipe 2 can be 304 stainless steels, common in the market
Marker method in have 0Cr18Ni9, SUS304 etc..Seal pipe 2 have flexibility it is easy to process and not will cause thermocouple wire and
The damage of compensating wire 4.
Wherein, it is equipped with step 21 in the front end 23 of seal pipe, the section of copper sheathing 3 is hexagonal, and copper sheathing 3 is located at protection pipe
Front end 11, and the end of copper sheathing 3 is supported with step 21,3 outer wall of copper sheathing is supported with 2 inner wall of seal pipe.Specifically, copper sheathing 3
End is supported with step 21, and copper sheathing 3 and seal pipe 2 are interference fitted, and support 3 outer wall of copper sheathing with 2 inner wall of seal pipe.This field
It will be appreciated by the skilled person that the section of 2 front end of section and seal pipe of copper sheathing 3 can be circle, then pass through pressure hexagonal
Technique keep the section of seal pipe front end and copper sheathing hexagonal, can also by specific mold produce section it is hexagonal
Copper sheathing and the hexagonal seal pipe of front elevational sectional, the present embodiment do not do any restriction herein.The purpose that copper sheathing 3 is arranged is
Magnesia powder 5 can be made to fill more closely knit, to further fasten compensating wire 4, prevent compensating wire 4 from bending and falling off,
To increase the service life of thermocouple.
In addition, two thermocouple wires are arranged in protection pipe 1, and the end welding of two thermocouple wires, two thermocouple wires
Front end it is arranged in parallel, and protrude into seal pipe 2.The end of two compensating wires 4 is each passed through copper sheathing 3 and protrudes into seal pipe
It in 2, is electrically connected respectively with the front end of two thermocouple wires, the front end of two compensating wires 4 is located at the outside of seal pipe 2, uses
In external-connection displayer.Specifically, thermocouple wire is by two different groups of metal filaments at excellent high temperature resistance and anti-
Oxidation susceptibility.The end welding of two thermocouple wires, when heating pad to certain temperature, two thermocouple wires can generate one
Surveyed potential is converted into temperature by display by a apparent potential.Compensating wire be in certain temperature range have with
The thermo-electromotive force of matched thermocouple wire the identical a pair of conducting wire for having insulating layer of nominal value.Compensating wire 4 is set
Purpose is to play the role of extending thermocouple, while can save the higher thermocouple wire of a large amount of prices, is also convenient for installing
With the laying of route.Different compensating wires 4 can be selected, according to different thermocouple wires to reduce test error.
In the present embodiment, magnesia powder 5 is filled in protection pipe 1 and seal pipe 2.The front end of seal pipe is arranged in sealant
23, seal the front end 23 of seal pipe.For example, after thermocouple wire and compensating wire 4 connect, then by magnesia powder 5 from
The front end 23 of seal pipe is filled into protection pipe 1 and seal pipe 2, it is to be filled it is full after, recycle sealant will be before seal pipe
23 sealing of end, compensating wire 4 pass through sealant, are used for external-connection displayer.Magnesia powder 5 has excellent insulating properties and thermal conductivity
Can, filling magnesia powder 5 with quick conductive and can prevent thermocouple wire short-circuit, reduce test error, in addition it is possible to which fixed mend
Conducting wire 4 is repaid, realizes that compensating wire 4 can arbitrarily be swung in use process, not will cause and fallen off and bend, to increase thermocouple
Service life.
Through the above it is not difficult to find that simple type thermocouple in the present embodiment, comprising: 1, two thermocouple of protection pipe
Silk, seal pipe 2,3, two compensating wires 4 of copper sheathing, magnesia powder 5 and sealant.Protection pipe 1 is protruded into interiors of products, passes through two
Root thermocouple wire keeps two compensating wires 4 solid to accurately measure the temperature of interiors of products by copper sheathing 3 and magnesia powder 5
It is fixed, realize that compensating wire 4 can arbitrarily be swung in use process, and not will cause and fall off and bend, to increase thermocouple
Service life.Specifically, the section of protection pipe 1 is rounded, and the front end 11 of protection pipe is equipped with opening, and the end 12 of protection pipe is close
Envelope, the end 12 of protection pipe is for protruding into interiors of products.The section of seal pipe 2 is rounded, the end 24 of seal pipe and protection pipe 1
Open communication and sealed connection, the section of the front end 23 of seal pipe it is hexagonal.Step 21 is equipped in the front end 23 of seal pipe.
The section of copper sheathing 3 is hexagonal, and copper sheathing 3 is located at the front end 11 of protection pipe, and the end of copper sheathing 3 is supported with step 21, outside copper sheathing 3
Wall is supported with 2 inner wall of seal pipe.Two thermocouple wires are arranged in protection pipe 1, the end welding of two thermocouple wires, two heat
The front end of thermocouple wire is arranged in parallel, and protrudes into seal pipe 2.The end of two compensating wires 4 is each passed through copper sheathing 3 and protrudes into
It in seal pipe 2, is electrically connected respectively with the front end of two thermocouple wires, the front end of two compensating wires 4 is located at the outer of seal pipe 2
Side is used for external-connection displayer.Magnesia powder 5 is filled in protection pipe 1 and seal pipe 2.The front end of seal pipe is arranged in sealant
23, seal the front end 23 of seal pipe.
Optionally, as shown in Figure 1, in the present embodiment, seal pipe 2 further include: the first connector 22.First connector 22
It is connected to and is tightly connected with the end 24 of seal pipe, the first connector 22 and the front end 11 of protection pipe are tightly connected.First connection
The section of part 22 is rounded, and the diameter of the first connector 22 is less than the diameter of seal pipe 2, and is greater than the diameter of protection pipe 1.Specifically
For, the first connector 22 can be steel material, have the characteristics that high temperature resistant and toughness are high.First connector 22 and seal pipe 2
It can be tightly connected by welding by one-pass molding fixed seal connection, or after being separately formed, the present embodiment exists
This does not do any restriction.Since seal pipe 2 and 1 diameter difference of protection pipe are larger, the first connector 22 of setting can make seal pipe
End 24 and the front end 11 of protection pipe be easier to be fully sealed, to guarantee the quality of thermocouple.
Further, in this embodiment being connect between the first connector 22 and protection pipe 1 for silver soldering.The mesh connect using silver soldering
Be can equably spread filling gap, guarantee sealing performance excellent between the first connector 22 and protection pipe 1, to prevent
Leakage occurs when only thermocouple measures the temperature of interiors of products under vacuum conditions to cause measurement error or be damaged, thus
Extend the service life of thermocouple.
It is worth noting that the outer diameter of protection pipe 1 is 2mm in the present embodiment.The purpose that protection pipe 1 is arranged is to prevent
Two direct contact products of thermocouple wire, cause thermocouple wire to damage.When the outer diameter of protection pipe 1 is excessive, thermocouple wire and protection
Product outside pipe 1 will appear the temperature difference, cause measurement error, when the outer diameter of protection pipe 1 is too small, be easy that two thermocouple wires occur
Short circuit, to cause thermocouple break.When the outer diameter of protection pipe 1 is 2mm, it can not only guarantee the accuracy of test, but also can be to prevent
Only thermocouple break.
Optionally, in the present embodiment, two thermocouple wires can be nickel chromium triangle silicon-tweezer silicon magnesium thermocouple wire, nickel chromium triangle-simultaneously
One of tweezer silicon thermocouple wire, nickel chromium triangle-copper tweezer thermocouple wire, iron/copper tweezer thermocouple wire or copper-copper tweezer thermocouple wire.This
Field is it will be appreciated by the skilled person that two thermocouple wire prices of unlike material are different, and the test of the thermocouple formed is sensitive
Degree is different, and application is also not quite similar, and concrete condition can be customized according to user demand, and the present embodiment does not do any limit herein
It is fixed.
Further, in the present embodiment, protection pipe 1 is SUS316 stainless steel material, commercially available.SUS316 stainless steel
The toughness of matter, cold denaturation, welding technological properties are good, and make it have preferable corrosion resistance containing molybdenum element.
Optionally, as shown in Figure 1, the length of the first connector 22 in the present embodiment is 5mm.For example, first connects
The length of fitting 22 is too long, and magnesia powder 5 can be made to be difficult to be filled up completely in protection pipe 1.First connector, 22 length is 5mm
When, the front end 11 of the end 24 and protection pipe that can make seal pipe is easier to be fully sealed.
It is worth noting that as shown in Figure 1, the end 12 of the protection pipe in the present embodiment is in tip-like.For example, protection pipe
End 12 be designed to that the purpose of tip-like is that thermocouple wire is made to more easily reach temperature identical with product, with reduce test
Error.
Further, as shown in Figure 1, in the present embodiment, simple type thermocouple further include: the second connector 6 and heat-shrink tube
7.The ellipsoidal cross section of second connector 6, the end 62 of the second connector are fixedly connected with the front end 23 of seal pipe, and second connects
The front end 61 of fitting and heat-shrink tube 7 are coaxially connected, and two compensating wires 4 pass through seal pipe 2 and heat-shrink tube 7 is used for external display
Device.It will be appreciated by those skilled in the art that the second connector 6 can be used as the shell of compensating wire 4, the second connector 6 is set
Purpose be protect compensating wire 4, prevent it to be squeezed and fracture in use.Heat-shrink tube 7 is by special
Polyolefin material is made, and has the function of that high-temperature shrinkage, soft fire-retardant, insulation corrosion protection, the purpose of setting heat-shrink tube 7 are to make to compensate
Conducting wire 4 can wrap up fixation in bifurcation, to extend the service life of compensating wire 4.
Embodiment is hexagonal by the section in embodiment one in the present embodiment second is that the alternative based on embodiment one
Copper sheathing 3 replace with the rounded copper sheathing 3 in section, and the hexagonal seal pipe 2 of front elevational sectional is replaced with into front elevational sectional and is in
Circular seal pipe 2.As shown in Figure 1 and Figure 4, copper sheathing 3 is equipped with the first ripple glaze (not shown).Seal pipe 2 is equipped with the
Two ripple glaze (not shown), the second ripple glaze and the first ripple glaze are intermeshed, and are fixedly connected with copper sheathing 3 with seal pipe 2.Tool
For body, the outside of copper sheathing 3 is equipped with the first ripple glaze, is equipped with the second ripple glaze on the inside of the front end 23 of seal pipe, copper sheathing with it is close
When tube sealing grafting, first ripple glaze in 3 outside of copper sheathing and the second ripple glaze of 2 inside of seal pipe are engaged, copper sheathing 3 and sealing are made
Pipe 2 is closer to be fixedly connected, and keeps the filling of magnesia powder 5 more closely knit, to further fasten compensating wire 4, realization was used
Compensating wire 4 can arbitrarily be swung in journey, not will cause and fallen off and bend, to increase the service life of thermocouple.
In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It can be that fisrt feature and second feature directly contact or fisrt feature and second feature pass through intermediary mediate contact.
Moreover, fisrt feature can be fisrt feature in second feature above the second feature " above ", " above " and " above "
Directly above or obliquely above, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature is in second feature " it
Under ", " lower section " and " following " can be fisrt feature and be directly under or diagonally below the second feature, or be merely representative of fisrt feature water
Flat height is lower than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc., it is intended that specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in one or more any embodiment or example.In addition, without conflicting with each other, this
The technical staff in field can be by the spy of different embodiments or examples described in this specification and different embodiments or examples
Sign is combined.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of simple type thermocouple, for measuring the temperature of interiors of products under vacuum condition characterized by comprising protection
Pipe, two thermocouple wires, seal pipe, copper sheathing, two compensating wires, magnesia powder and sealant；
The section of the protection pipe is rounded, and the front end of the protection pipe is equipped with opening, end seal, the end of the protection pipe
For protruding into interiors of products；
The section of the seal pipe is rounded, open communication and sealed connection of the end of the seal pipe with the protection pipe,
The section of the front end of the seal pipe is hexagonal；
Step is equipped in the front end of the seal pipe；
The section of the copper sheathing is hexagonal, and the copper sheathing is located in the front end of the protection pipe, and the end of the copper sheathing with
The step supports, and the copper sheathing outer wall is supported with the sealing inside pipe wall；
Two thermocouple wires are arranged in the protection pipe, and the end of two thermocouple wires is welded, two heat
The front end of thermocouple wire is arranged in parallel, and protrudes into the seal pipe；
The end of two compensating wires is each passed through the copper sheathing and protrudes into the seal pipe, respectively with two thermoelectricity
The front end of thermo wires is electrically connected, and the front end of two compensating wires is located at the outside of the seal pipe, is used for external-connection displayer；
The magnesia powder is filled in the protection pipe and the seal pipe；
The front end of the seal pipe is arranged in the sealant, makes the forward end seal of the seal pipe.
2. simple type thermocouple according to claim 1, which is characterized in that the seal pipe further include: the first connector；
First connector is connected to and is tightly connected with the end of the seal pipe, first connector and the protection pipe
Forward end seal connection；
The section of first connector is rounded, and the diameter of first connector is less than the diameter of the seal pipe, and big
In the diameter of the protection pipe.
3. simple type thermocouple according to claim 2, which is characterized in that first connector and the protection pipe it
Between connect for silver soldering.
4. simple type thermocouple according to claim 1, which is characterized in that the outer diameter of the protection pipe is 2mm.
5. simple type thermocouple according to claim 1, which is characterized in that two thermocouple wires can be nickel simultaneously
Chrome-silicon-tweezer silicon magnesium thermocouple wire, nickel chromium triangle-tweezer silicon thermocouple wire, nickel chromium triangle-copper tweezer thermocouple wire, iron/copper tweezer thermocouple wire or
One of copper-copper tweezer thermocouple wire.
6. simple type thermocouple according to claim 1, which is characterized in that the protection pipe is SUS316 stainless steel
Matter.
7. simple type thermocouple according to claim 2, which is characterized in that the length of first connector is 5mm.
8. simple type thermocouple according to claim 2, which is characterized in that the end of the protection pipe is in tip-like.
9. simple type thermocouple according to claim 1, which is characterized in that further include: the second connector and heat-shrink tube；
The ellipsoidal cross section of second connector, the fixed company in the end of second connector and the front end of the seal pipe
Connect, the front end of second connector and the heat-shrink tube are coaxially connected, two compensating wires pass through the seal pipe and
The heat-shrink tube is used for external-connection displayer.
10. simple type thermocouple according to claim 1, which is characterized in that the copper sheathing is equipped with the first ripple glaze；
The seal pipe is equipped with the second ripple glaze, and second ripple glaze and first ripple glaze are intermeshed, and makes described
Copper sheathing is fixedly connected with the seal pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821765056.6U CN208860493U (en) | 2018-10-29 | 2018-10-29 | Simple type thermocouple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821765056.6U CN208860493U (en) | 2018-10-29 | 2018-10-29 | Simple type thermocouple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208860493U true CN208860493U (en) | 2019-05-14 |
Family
ID=66421709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821765056.6U Active CN208860493U (en) | 2018-10-29 | 2018-10-29 | Simple type thermocouple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208860493U (en) |
-
2018
- 2018-10-29 CN CN201821765056.6U patent/CN208860493U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208297003U (en) | Sensor capsule, temperature measurement component and temperature sensor | |
| US8444317B2 (en) | Multiposition temperature measuring cable | |
| CN201306168Y (en) | A multi-point thermocouple for high-temperature ultra-long oil well | |
| CN106768445B (en) | A kind of quick response temperature thermocouple | |
| CN201314845Y (en) | Armored multi-point thermocouple | |
| CN105371976A (en) | Thermal resistance temperature measuring device and temperature measuring method | |
| CN208860493U (en) | Simple type thermocouple | |
| CN103292861B (en) | For the preparation method of totally-enclosed pressure environment fluid level measuring gauge | |
| US7795883B2 (en) | Grid sensor | |
| CN102507036A (en) | MMW (millimeter wave) power sensor and calorimeter provided with same | |
| CN204666271U (en) | A kind of blast furnace platinum rhodium thermocouple | |
| CN206945160U (en) | One kind is appeared type armoured thermocouple structure | |
| CN209961389U (en) | Monocrystalline silicon high overvoltage protection type pressure sensor | |
| CN2055254U (en) | Armored standard platinum thermometer | |
| CN203191029U (en) | Heating type thermocouple liquid level measurement sensor | |
| CN205719308U (en) | A kind of New-type thermocouple | |
| CN205192640U (en) | Assembled temperature sensor | |
| CN213779305U (en) | Temperature sensor installation fixed knot constructs | |
| CN211347136U (en) | Thermal resistance sensor with cold end compensation function | |
| CN211504442U (en) | Protection device of thermal resistor | |
| RU2700726C1 (en) | Heat flux sensor | |
| CN206709980U (en) | A kind of thermocouple temperature sensor of ceramic seal heads pipe built-in electrical insulation | |
| CN208254667U (en) | A kind of platinum resistance temperature sensor | |
| SK7332001A3 (en) | Device for detecting the heat carrier level in reactor (options) | |
| CN108088580B (en) | Temperature measuring element capable of realizing small insertion depth precision measurement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |